Pipe coupling segment



FIG. 1 is an isometric view of an embodiment of our design for a pipe coupling segment;

FIG. 2 is a front view of the design for the pipe coupling segment shown in FIG. 1, the rear view being identical;

FIG. 3 is a top view of the design for the pipe coupling segment shown in FIG. 1;

FIG. 4 is a bottom view of the design for the pipe coupling segment shown in FIG. 1; and,

FIG. 5 is a left side view of for the design for the pipe coupling segment shown in FIG. 1, the right side view being identical.

The broken lines in FIGS. 1-5 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a pipe coupling segment, as shown and described. 